1454415143 has 12 divisors (see below), whose sum is σ = 1527341760. Its totient is φ = 1384828896.

The previous prime is 1454415139. The next prime is 1454415169. The reversal of 1454415143 is 3415144541.

It is not a de Polignac number, because 1454415143 - 2² = 1454415139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454415113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111803 + ... + 124131.

It is an arithmetic number, because the mean of its divisors is an integer number (127278480).

Almost surely, 2^1454415143 is an apocalyptic number.

1454415143 is a deficient number, since it is larger than the sum of its proper divisors (72926617).

1454415143 is a wasteful number, since it uses less digits than its factorization.

1454415143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12598 (or 12575 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 1454415143 is about 38136.7951327848. The cubic root of 1454415143 is about 1132.9988330495.

Adding to 1454415143 its reverse (3415144541), we get a palindrome (4869559684).

The spelling of 1454415143 in words is "one billion, four hundred fifty-four million, four hundred fifteen thousand, one hundred forty-three".